diff options
Diffstat (limited to 'src/pow.c')
| -rw-r--r-- | src/pow.c | 9 |
1 files changed, 4 insertions, 5 deletions
@@ -202,7 +202,7 @@ mpc_pow_exact (mpc_ptr z, mpc_srcptr x, mpfr_srcptr y, mpc_rnd_t rnd, t = mpz_scan1 (my, 0); ey += (mpfr_exp_t) t; mpz_tdiv_q_2exp (my, my, t); - /* y = my*2^ey */ + /* y = my*2^ey with my odd */ if (x_imag) { @@ -229,7 +229,6 @@ mpc_pow_exact (mpc_ptr z, mpc_srcptr x, mpfr_srcptr y, mpc_rnd_t rnd, mpz_mul_2exp (d, d, (unsigned long int) (ed - ec)); if ((mpfr_prec_t) mpz_sizeinbase (d, 2) > maxprec) goto end; - ed = ec; } else if (ed < ec) { @@ -484,7 +483,7 @@ mpc_pow (mpc_ptr z, mpc_srcptr x, mpc_srcptr y, mpc_rnd_t rnd) mpc_t t, u; mpfr_prec_t p, pr, pi, maxprec; int saved_underflow, saved_overflow; - + /* save the underflow or overflow flags from MPFR */ saved_underflow = mpfr_underflow_p (); saved_overflow = mpfr_overflow_p (); @@ -614,8 +613,8 @@ mpc_pow (mpc_ptr z, mpc_srcptr x, mpc_srcptr y, mpc_rnd_t rnd) (a) x is negative and y is half-an-integer (b) x = -1 and Re(y) is half-an-integer */ - if (mpfr_cmp_ui (mpc_realref(x), 0) < 0 && is_odd (mpc_realref(y), 1) && - (y_real || mpfr_cmp_si (mpc_realref(x), -1) == 0)) + if ((mpfr_cmp_ui (mpc_realref(x), 0) < 0) && is_odd (mpc_realref(y), 1) + && (y_real || mpfr_cmp_si (mpc_realref(x), -1) == 0)) z_imag = 1; } else /* x non real */ |